Switching method and apparatus, network function, and storage medium

Abstract

Embodiments of the present disclosure disclose a switching method and apparatus, a network function, and a storage medium. The method comprises: a first network function selects or discovers, on the basis of location information of one or more user equipment (UE), a second network function corresponding to each UE; and the first network function decides to respectively transfer or transmit a data subscription or data request about the one or more UE to the second network function corresponding to each UE.

1 . A method for handover, comprising: for each of one or more user equipment (UE),
 selecting or discovering, by a first network function entity, a second network function entity corresponding to the UE based on position information of the UE; and   deciding, by the first network function entity, to transfer or transmit a data subscription or data request of the UE to the second network function entity corresponding to the UE.   
     
     
         2 . The method of  claim 1 , further comprising: for each of the one or more UE,
 sending, by the first network function to a third network function, a first message for selecting or discovering the second network function corresponding to the UE, wherein the first message comprises a first parameter, and the first parameter at least comprises at least one of following: the position information of the UE, an identifier of the UE, single-network slice selection assistance information (S-NSSAI), a network function (NF) type, a NF set identifier, a network data analysis function (NWDAF) identifier, an analysis identifier, or an NF instance identifier; and   receiving, by the first network function entity, a second message from a third network function entity, wherein the second message comprises a second parameter, and the second parameter at least comprises at least one of following: an NF identifier, or the NF set identifier.   
     
     
         3 . The method of  claim 1 , further comprising: for each of the one or more UE,
 transferring or transmitting, by the first network function entity, the data subscription or data request of the corresponding UE to the second network function entity corresponding to the UE.   
     
     
         4 . The method of  claim 3 , wherein for each of the one or more UE, transferring or transmitting, by the first network function entity, the data subscription or data request of the corresponding UE to the second network function entity corresponding to the UE comprises:
 for each of the one or more UE, sending, by the first network function entity, a third message to the second network function entity corresponding to the UE, wherein the third message is used for transferring or transmitting a data subscription or data request of the UE from a fifth network function entity, and the third message comprises relevant information of the data subscription or data request of the corresponding UE.   
     
     
         5 . The method of  claim 1 , further comprising: for each of the one or more UE,
 receiving, by the first network function entity, a fourth message from a fifth network function entity, wherein the fourth message is used for subscribing or requesting data of the UE, the fourth message comprises a third parameter, and the third parameter at least comprises at least one of following: an identifier of the UE, an S-NSSAI, an NF type, an NF set identifier, an NWDAF identifier, an analysis identifier, or an NF instance identifier; or   receiving, by the first network function entity, a fifth message from the fifth network function entity through a fourth network function entity, wherein the fifth message is used for subscribing or requesting the data of the UE, and the fifth message at least comprises the third parameter.   
     
     
         6 . The method of  claim 5 , further comprising: for each of the one or more UE,
 sending, by the first network function entity, a sixth message to the fifth network function entity or the fourth network function entity, wherein the sixth message is used for notifying that the data subscription or data request of the UE is transferred or transmitted successfully, and the sixth message comprises a first subscription identifier related to the first network function entity.   
     
     
         7 . The method of  claim 6 , further comprising: for each of the one or more UE,
 sending, by the first network function entity, a seventh message for unsubscription to a sixth network function entity, wherein the sixth network function entity supports providing the data of the UE.   
     
     
         8 . The method of  claim 5 , further comprising: for each of the one or more UE,
 deciding or discovering, by the first network function entity, a sixth network function entity through a third network function entity, and collecting or subscribing the data of the UE from the sixth network function entity, wherein the sixth network function entity supports providing the data of the UE.   
     
     
         9 . The method of  claim 8 , wherein deciding or discovering, by the first network function entity, the sixth network function entity through the third network function entity comprises:
 sending, by the first network function entity, an eighth message for deciding or discovering the sixth network function entity to the third network function entity, wherein the eighth message comprises the third parameter; and   receiving, by the first network function entity, a ninth message from the third network function entity, wherein the ninth message at least comprises a fourth parameter, and the fourth parameter at least comprises at least one of following: an NF identifier, or the NF set identifier.   
     
     
         10 . The method of  claim 8 , wherein collecting or subscribing the data of the UE from the sixth network function entity comprises: for each of the one or more UE,
 sending, by the first network function entity, a tenth message to the sixth network function entity, wherein the tenth message is used for collecting or subscribing the data of the UE, and the tenth message at least comprises the third parameter.   
     
     
         11 . The method of  claim 1 , further comprising: for each of the one or more UE,
 deciding or subscribing, by the first network function entity, the position information of the UE through a seventh network function entity.   
     
     
         12 . A method for handover, comprising: for each of one or more user equipment (UE),
 receiving, by a second network function entity, a data subscription or data request from a first network function entity, a fourth network function entity or a fifth network function entity, wherein the data subscription or data request is used for transferring or transmitting a data subscription or data request of the UE; and   deciding or discovering, by the second network function entity, a sixth network function entity through a third network function entity, and subscribing or requesting data of the UE from the sixth network function entity, wherein the sixth network function entity supports providing the data of the UE.   
     
     
         13 . The method of  claim 12 , further comprising: for each of the one or more UE,
 sending, by the second network function entity, an eleventh message to the fifth network function entity or the fourth network function entity, wherein the eleventh message is used for notifying that the data subscription or data request of the UE is transferred or transmitted successfully, and the eleventh message comprises a second subscription identifier related to the second network function entity.   
     
     
         14 . The method of  claim 12 , wherein receiving, by the second network function entity, the data subscription or data request from the first network function entity, the fourth network function entity or the fifth network function entity comprises: for each of the one or more UE,
 receiving, by the second network function entity, a third message from the first network function entity, wherein the third message is used for transferring or transmitting the data subscription or data request of the UE from a fifth network function entity, and the third message comprises relevant information of the data subscription or data request of the UE; or   receiving, by the second network function entity, a fourteenth message from the fourth network function entity or the fifth network function entity, wherein the fourteenth message is used for transferring or transmitting the data subscription or data request of the UE from the fifth network function entity, and the fourteenth message comprises relevant information of the data subscription or data request of the corresponding UE.   
     
     
         15 .- 28 . (canceled) 
     
     
         29 . A first network function entity comprising a memory, a processor, and a computer program that is stored in the memory and is capable of being run on the processor, wherein the processor, when executing the computer program, is configured to: for each of one or more user equipment (UE),
 select or discover a second network function entity corresponding to the UE based on position information of the UE; and   decide to transfer or transmit a data subscription or data request of the UE to the second network function entity corresponding to the UE.   
     
     
         30 .- 33 . (canceled) 
     
     
         34 . A second network function entity comprising a memory, a processor, and a computer program that is stored in the memory and is capable of being run on the processor, wherein the processor executes the computer program to implement the steps of the method of  claim 12 . 
     
     
         35 . The first network function entity of  claim 29 , wherein the processor is further configured to: for each of the one or more UE,
 send to a third network function, a first message for selecting or discovering the second network function corresponding to the UE, wherein the first message comprises a first parameter, and the first parameter at least comprises at least one of following: the position information of the UE, an identifier of the UE, single-network slice selection assistance information (S-NSSAI), a network function (NF) type, a NF set identifier, a network data analysis function (NWDAF) identifier, an analysis identifier, or an NF instance identifier; and   receive a second message from a third network function entity, wherein the second message comprises a second parameter, and the second parameter at least comprises at least one of following: an NF identifier, or the NF set identifier.   
     
     
         36 . The first network function entity of  claim 29 , wherein the processor is further configured to: for each of the one or more UE,
 transfer or transmit the data subscription or data request of the corresponding UE to the second network function entity corresponding to the UE.   
     
     
         37 . The first network function entity of  claim 36 , wherein for each of the one or more UE, in order to transfer or transmit the data subscription or data request of the corresponding UE to the second network function entity corresponding to the UE, the processor is configured to:
 for each of the one or more UE, send a third message to the second network function entity corresponding to the UE, wherein the third message is used for transferring or transmitting a data subscription or data request of the UE from a fifth network function entity, and the third message comprises relevant information of the data subscription or data request of the corresponding UE.   
     
     
         38 . The first network function entity of  claim 29 , wherein the processor is further configured to: for each of the one or more UE,
 receive a fourth message from a fifth network function entity, wherein the fourth message is used for subscribing or requesting data of the UE, the fourth message comprises a third parameter, and a third parameter at least comprises at least one of following: an identifier of the UE, an S-NSSAI, an NF type, an NF set identifier, an NWDAF identifier, an analysis identifier, or an NF instance identifier; or   receive a fifth message from the fifth network function entity through a fourth network function entity, wherein the fifth message is used for subscribing or requesting the data of the UE, and the fifth message at least comprises the third parameter.